# PHYSICS HELP !!!!!

A 55 kg person runs with a horizontal velocity of 8.0 m/s and jumps onto a 7 kg skateboard
which is initially at rest. Assuming negligible friction, what will be the final velocity of the
skateboard and the person

1. 👍 0
2. 👎 0
3. 👁 149
1. momentum before= momentum after
55*8=(55+7)V

1. 👍 0
2. 👎 0

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